Home / Standards / GB/T 44547-2024 GB/T 44547-2024 Active Test method for fracture toughness of fine ceramics—Single-edge V-notch beam (SEVNB) method 精细陶瓷断裂韧性试验方法 单边V形切口梁(SEVNB)法 Standard Type GBT ICS 81.060.30 CCS Q30 Status 现行 Issue Date 2024-09-29 Implementation 2025-04-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A